Data Sources

All calculations use the following config. Update the JSON files in src/lib/config/data and run npm run config:validate to refresh.

• Synergy A1 (import & supply)

  Version:

  1.1.0

  Last checked:

  2026-04-27

  Notes

  Synergy A1 residential tariff. Updated using Synergy price changes published for 1 July 2025.

• DEBS (feed-in)

  Version:

  1.1.0

  Last checked:

  2026-04-27

  Notes

  DEBS (Distributed Energy Buyback Scheme) feed-in rates for WA. Prices confirmed against Synergy DEBS schedule (correct as at 1 July 2025).

• Perth assumptions (PSH, performance)

  Version:

  1.0.1

  Last checked:

  2026-04-27

  Notes

  Perth (WA) PSH and default assumptions. PSH from Bureau of Meteorology / CEC guidelines.

• STC incentives

  Version:

  1.0.1

  Last checked:

  2026-04-27

  Notes

  Small-scale Technology Certificates. WA zones from CER. Scheme ends 2031. STC price conservative estimate.

• Costs & emissions (system cost, CO2 factor)

  Version:

  1.0.1

  Last checked:

  2026-04-27

  Notes

  System cost per kW and CO2 factor for WA. Cost range is indicative; CO2 from WA grid emissions factor.

• Battery CAPEX & VPP bonus (MVP assumptions)

  Version:

  1.0.0

  Last checked:

  2026-03-19

  Notes

  MVP battery CAPEX and VPP participation bonus placeholders. Update with your latest WA market quotes when needed.

Data sources: Bureau of Meteorology (BOM), Synergy WA rate schedules, Clean Energy Council performance standards.